package com.arui.yygh.hosp.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.arui.yygh.common.exception.YyghException;
import com.arui.yygh.common.result.ResultCodeEnum;

import com.arui.yygh.hosp.repository.ScheduleRepository;
import com.arui.yygh.hosp.service.DepartmentService;
import com.arui.yygh.hosp.service.HospitalService;
import com.arui.yygh.hosp.service.ScheduleService;
import com.arui.yygh.model.hosp.BookingRule;
import com.arui.yygh.model.hosp.Department;
import com.arui.yygh.model.hosp.Hospital;
import com.arui.yygh.model.hosp.Schedule;
import com.arui.yygh.model.order.OrderInfo;
import com.arui.yygh.vo.hosp.BookingScheduleRuleVo;
import com.arui.yygh.vo.hosp.ScheduleOrderVo;
import com.arui.yygh.vo.hosp.ScheduleQueryVo;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import net.sf.jsqlparser.expression.DateTimeLiteralExpression;
import org.bson.codecs.ShortCodec;
import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;
import org.joda.time.format.DateTimeFormat;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.aggregation.Aggregation;
import org.springframework.data.mongodb.core.aggregation.AggregationResults;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.*;
import java.util.stream.Collectors;

@Service
public class ScheduleServiceImpl implements ScheduleService {
    @Autowired
    private ScheduleRepository scheduleRepository;
    @Autowired
    private MongoTemplate mongoTemplate;
    //上传排班接口
    @Autowired
    private HospitalService hospitalService;
    @Autowired
    private DepartmentService departmentService;
    @Override
    public void save(Map<String, Object> paramMap) {
        String mapString = JSONObject.toJSONString(paramMap);
        Schedule schedule = JSONObject.parseObject(mapString,Schedule.class);
        //根据医院编号和科室编号进行查询
        Schedule scheduleExist =scheduleRepository.getScheduleByHoscodeAndHosScheduleId(schedule.getHoscode(),schedule.getHosScheduleId());
        if (scheduleExist!=null){
            schedule.setUpdateTime(new Date());
            schedule.setIsDeleted(0);
            schedule.setStatus(1);
            scheduleRepository.save(schedule);
        }else{
            schedule.setCreateTime(new Date());
            schedule.setUpdateTime(new Date());
            schedule.setIsDeleted(0);
            scheduleRepository.save(schedule);
        }
    }
    //查询排班接口
    @Override
    public Page findPageSchedule(int page, int limit, ScheduleQueryVo scheduleQueryVo) {
        //创建Pageable对象
        Pageable pageable = PageRequest.of(page-1,limit);
        //创建Example对象，加入条件
        ExampleMatcher matcher = ExampleMatcher.matching()
                .withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING)
                .withIgnoreCase(true);
        Schedule schedule = new Schedule();
        schedule.setIsDeleted(0);
        schedule.setStatus(1);
        BeanUtils.copyProperties(scheduleQueryVo,schedule);
        Example<Schedule> example = Example.of(schedule,matcher);

        Page<Schedule> page1 = scheduleRepository.findAll(example, pageable);
        return page1;
    }

    @Override
    public void remove(String hoscode, String hosScheduleId) {
        //根据医院编号和科室编号查询出科室信息
        Schedule schedule = scheduleRepository.getScheduleByHoscodeAndHosScheduleId(hoscode, hosScheduleId);
        if (schedule!=null){
            scheduleRepository.deleteById(schedule.getId());
        }
    }

    @Override
    public Map<String, Object> getRuleSchedule(long page, long limit, String hoscode, String depcode) {
        //1 根据医院编号 和 科室编号 查询
        Criteria criteria = Criteria.where("hoscode").is(hoscode).and("depcode").is(depcode);

        //2 根据工作日workDate期进行分组
        Aggregation agg = Aggregation.newAggregation(
                Aggregation.match(criteria),//匹配条件
                Aggregation.group("workDate")//分组字段
                        .first("workDate").as("workDate")
                        //3 统计号源数量
                        .count().as("docCount")
                        .sum("reservedNumber").as("reservedNumber")
                        .sum("availableNumber").as("availableNumber"),
                //排序
                Aggregation.sort(Sort.Direction.DESC,"workDate"),
                //4 实现分页
                Aggregation.skip((page-1)*limit),
                Aggregation.limit(limit)
        );
        //调用方法，最终执行
        AggregationResults<BookingScheduleRuleVo> aggResults =
                mongoTemplate.aggregate(agg, Schedule.class, BookingScheduleRuleVo.class);
        List<BookingScheduleRuleVo> bookingScheduleRuleVoList = aggResults.getMappedResults();

        //分组查询的总记录数
        Aggregation totalAgg = Aggregation.newAggregation(
                Aggregation.match(criteria),
                Aggregation.group("workDate")
        );
        AggregationResults<BookingScheduleRuleVo> totalAggResults =
                mongoTemplate.aggregate(totalAgg, Schedule.class, BookingScheduleRuleVo.class);
        int total = totalAggResults.getMappedResults().size();

        //把日期对应星期获取
        for(BookingScheduleRuleVo bookingScheduleRuleVo:bookingScheduleRuleVoList) {
            Date workDate = bookingScheduleRuleVo.getWorkDate();
            String dayOfWeek = this.getDayOfWeek(new DateTime(workDate));
            bookingScheduleRuleVo.setDayOfWeek(dayOfWeek);
        }

        //设置最终数据，进行返回
        Map<String, Object> result = new HashMap<>();
        result.put("bookingScheduleRuleList",bookingScheduleRuleVoList);
        result.put("total",total);

        //获取医院名称
        String hosName = hospitalService.getHosName(hoscode);
        //其他基础数据
        Map<String, String> baseMap = new HashMap<>();
        baseMap.put("hosname",hosName);
        result.put("baseMap",baseMap);

        return result;
    }

    @Override
    public List<Schedule> getDetailSchedule(String hoscode, String depcode, String workDate) {
        List<Schedule> list = scheduleRepository.findScheduleByHoscodeAndDepcodeAndWorkDate(hoscode,depcode,new DateTime(workDate).toDate());
        list.stream().forEach(item->{
            this.packageSchedule(item);
        });
        return list;
    }
    //获取可预约的排版数据
    @Override
    public Map<String,Object> getBookingScheduleRule(Integer page, Integer limit, String hoscode, String depcode) {
        Map<String,Object> result = new HashMap<>();
        //获取预约规则
        //根据医院编号获取预约规则
        Hospital hospital = hospitalService.getByHosCode(hoscode);
        if (hospital==null){
            throw new YyghException(ResultCodeEnum.DATA_ERROR);
        }
        BookingRule bookingRule = hospital.getBookingRule();
        //获取可预约的日期的数据（分页）
        IPage iPage = this.getListDate(page,limit,bookingRule);
        //获取当前可预约的日期
        List<Date> dateList = iPage.getRecords();

        //获取可预约日期剩余预约数.
        Criteria criteria = Criteria.where("hoscode").is(hoscode).and("depcode").is(depcode).and("workDate").in(dateList);

        Aggregation agg = Aggregation.newAggregation(
                Aggregation.match(criteria),
                Aggregation.group("workDate").first("workDate").as("workDate")
                .count().as("docCount")
                .sum("availableNumber").as("availableNumber")
                .sum("reservedNumber").as("reservedNumber")

        );
        AggregationResults<BookingScheduleRuleVo> aggregateResult =
                mongoTemplate.aggregate(agg, Schedule.class, BookingScheduleRuleVo.class);
        List<BookingScheduleRuleVo> scheduleVoList = aggregateResult.getMappedResults();
        //合并数据  map集合 key是日期， value是预约规则和剩余的数量
        Map<Date, BookingScheduleRuleVo> scheduleVoMap = new HashMap<>();
        if(!CollectionUtils.isEmpty(scheduleVoList)) {
            scheduleVoMap = scheduleVoList.stream().collect(Collectors.toMap(BookingScheduleRuleVo::getWorkDate, BookingScheduleRuleVo -> BookingScheduleRuleVo));
        }
        //获取可预约的排班规则
        List<BookingScheduleRuleVo> bookingScheduleRuleVoList = new ArrayList<>();
        for (int i = 0,len=dateList.size() ;i < len ; i++) {
            Date date = dateList.get(i);
            //从map集合根据key获取value值
            BookingScheduleRuleVo bookingScheduleRuleVo = scheduleVoMap.get(date);
            //如果当天没有排班的医生
            if (bookingScheduleRuleVo==null){
                bookingScheduleRuleVo = new BookingScheduleRuleVo();
                //就诊医生人数
                bookingScheduleRuleVo.setDocCount(0);
                //科室剩余预约数， -1表示无号
                bookingScheduleRuleVo.setAvailableNumber(-1);
            }
            bookingScheduleRuleVo.setWorkDate(date);
            bookingScheduleRuleVo.setWorkDateMd(date);

            //计算当前预约日期对应星期
            String dayOfWeek = this.getDayOfWeek(new DateTime(date));
            bookingScheduleRuleVo.setDayOfWeek(dayOfWeek);
            //最后一页最后一条记录为即将预约   状态 0：正常 1：即将放号 -1：当天已停止挂号
            if(i == len-1 && page == iPage.getPages()) {
                bookingScheduleRuleVo.setStatus(1);
            } else {
                bookingScheduleRuleVo.setStatus(0);
            }
            //当天预约如果过了停号时间， 不能预约
            if(i == 0 && page == 1) {
                DateTime stopTime = this.getDateTime(new Date(), bookingRule.getStopTime());
                if(stopTime.isBeforeNow()) {
                    //停止预约
                    bookingScheduleRuleVo.setStatus(-1);
                }
            }
            bookingScheduleRuleVoList.add(bookingScheduleRuleVo);
        }
        //可预约日期规则数据
        result.put("bookingScheduleList", bookingScheduleRuleVoList);
        result.put("total", iPage.getTotal());
        //其他基础数据
        Map<String, String> baseMap = new HashMap<>();
        //医院名称
        baseMap.put("hosname", hospitalService.getHosName(hoscode));
        //科室
        Department department =departmentService.getDepartment(hoscode, depcode);
        //大科室名称
        baseMap.put("bigname", department.getBigname());
        //科室名称
        baseMap.put("depname", department.getDepname());
//月
        baseMap.put("workDateString", new DateTime().toString("yyyy年MM月"));
//放号时间
        baseMap.put("releaseTime", bookingRule.getReleaseTime());
//停号时间
        baseMap.put("stopTime", bookingRule.getStopTime());
        result.put("baseMap", baseMap);
        return result;



    }

    @Override
    public Schedule getScheduleById(String scheduleId) {
        Schedule schedule = scheduleRepository.findById(scheduleId).get();
        return this.packageSchedule(schedule);
    }

    @Override
    public ScheduleOrderVo getScheduleOrderVo(String scheduleId) {
        ScheduleOrderVo scheduleOrderVo = new ScheduleOrderVo();
        Schedule schedule = mongoTemplate.findById(scheduleId, Schedule.class);
        if (schedule==null){
            throw new YyghException(ResultCodeEnum.PARAM_ERROR);
        }
        //获取预约规则信息
        Hospital hospital = hospitalService.getByHosCode(schedule.getHoscode());
        if (hospital==null){
            throw new YyghException(ResultCodeEnum.PARAM_ERROR);
        }
        BookingRule bookingRule = hospital.getBookingRule();
        if (bookingRule==null){
            throw new YyghException(ResultCodeEnum.PARAM_ERROR);
        }
        //把获取的数据设置到schedulevo里
        scheduleOrderVo.setHoscode(schedule.getHoscode());
        scheduleOrderVo.setHosname(hospitalService.getHosName(schedule.getHoscode()));
        scheduleOrderVo.setDepcode(schedule.getDepcode());
        scheduleOrderVo.setDepname(departmentService.getDepName(schedule.getHoscode(), schedule.getDepcode()));
        scheduleOrderVo.setHosScheduleId(schedule.getHosScheduleId());
        scheduleOrderVo.setAvailableNumber(schedule.getAvailableNumber());
        scheduleOrderVo.setTitle(schedule.getTitle());
        scheduleOrderVo.setReserveDate(schedule.getWorkDate());
        scheduleOrderVo.setReserveTime(schedule.getWorkTime());
        scheduleOrderVo.setAmount(schedule.getAmount());
        //退号截止天数（如：就诊前一天为-1，当天为0）
        int quitDay = bookingRule.getQuitDay();
        DateTime quitTime = this.getDateTime(new DateTime(schedule.getWorkDate()).plusDays(quitDay).toDate(), bookingRule.getQuitTime());
        scheduleOrderVo.setQuitTime(quitTime.toDate());

        //预约开始时间
        DateTime startTime = this.getDateTime(new Date(), bookingRule.getReleaseTime());
        scheduleOrderVo.setStartTime(startTime.toDate());

        //预约截止时间
        DateTime endTime = this.getDateTime(new DateTime().plusDays(bookingRule.getCycle()).toDate(), bookingRule.getStopTime());
        scheduleOrderVo.setEndTime(endTime.toDate());

        //当天停止挂号时间
        DateTime stopTime = this.getDateTime(new Date(), bookingRule.getStopTime());
        scheduleOrderVo.setStartTime(startTime.toDate());


        return scheduleOrderVo;
    }
    //更新排班信息，用于mq
    @Override
    public void update(Schedule schedule) {
        schedule.setUpdateTime(new Date());
        scheduleRepository.save(schedule);
    }

    //获取可预约日期的分页数据
    private IPage getListDate(Integer page, Integer limit, BookingRule bookingRule) {
        //获取当天放号的时间 年月日 小时 分钟
        DateTime releaseTime = this.getDateTime(new Date(), bookingRule.getReleaseTime());
        //获取预约周期
        Integer cycle = bookingRule.getCycle();

        //如果当天放好时间已经过去了，预约周期从后一天开始计算，周期加1
        if (releaseTime.isBeforeNow()) {
            cycle += 1;
        }
        //获取可预约所有日期，最后一天即将放号
        List<Date> dateList = new ArrayList<>();
        for (int i = 0;i < cycle;i++){
            DateTime curDateTime = new DateTime().plusDays(i);
            String dateString = curDateTime.toString("yyyy-MM-dd");
            dateList.add(new DateTime(dateString).toDate());
        }
        //因为预约的周期不同，每页显示的日期是七天，超过七天分页
        List<Date> pageDataList = new ArrayList<>();
        int start = (page-1) * limit;
        int end = (page-1) * limit + limit;

        //如果可以显示的数据小于7，直接进行显示，
        if (end>dateList.size()){
            end = dateList.size();
        }
        for (int i = start; i < end ; i++) {
            pageDataList.add(dateList.get(i));
        }
        //如果可以显示的数据大于七，进行分页
        IPage<Date> iPage = new com.baomidou.mybatisplus.extension.plugins.pagination.Page<>(page,7,dateList.size());
        iPage.setRecords(pageDataList);
        return iPage;
    }
    /**
     * 将Date日期（yyyy-MM-dd HH:mm）转换为DateTime
     */
    private DateTime getDateTime(Date date, String timeString) {
        String dateTimeString = new DateTime(date).toString("yyyy-MM-dd") + " "+ timeString;
        DateTime dateTime = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm").parseDateTime(dateTimeString);
        return dateTime;
    }


    private Schedule packageSchedule(Schedule schedule) {
        //封装schedule
        //设置医院名称
        schedule.getParam().put("hosname",hospitalService.getHosName(schedule.getHoscode()));
        //设置科室名称
        schedule.getParam().put("depname",departmentService.getDepName(schedule.getHoscode(),schedule.getDepcode()));
        //设置日期对应星期
        schedule.getParam().put("dayOfWeek",this.getDayOfWeek(new DateTime(schedule.getWorkDate())));
        return schedule;

    }

    private String getDayOfWeek(DateTime dateTime) {
        String dayOfWeek = "";
        switch (dateTime.getDayOfWeek()) {
            case DateTimeConstants.SUNDAY:
                dayOfWeek = "周日";
                break;
            case DateTimeConstants.MONDAY:
                dayOfWeek = "周一";
                break;
            case DateTimeConstants.TUESDAY:
                dayOfWeek = "周二";
                break;
            case DateTimeConstants.WEDNESDAY:
                dayOfWeek = "周三";
                break;
            case DateTimeConstants.THURSDAY:
                dayOfWeek = "周四";
                break;
            case DateTimeConstants.FRIDAY:
                dayOfWeek = "周五";
                break;
            case DateTimeConstants.SATURDAY:
                dayOfWeek = "周六";
            default:
                break;
        }
        return dayOfWeek;
    }
}
